diff --git a/simple-topo/requirements.txt b/simple-topo/requirements.txt
index 5fe0253..da229cd 100644
--- a/simple-topo/requirements.txt
+++ b/simple-topo/requirements.txt
@@ -19,5 +19,5 @@ requests==2.9.1
 s-tui==0.6.7
 six==1.10.0
 unity-lens-photos==1.0
-urllib3==1.13.1
+urllib3==1.26.5
 urwid==1.3.1